Table 2.
Baseline Characteristics of Patients with 1–2 cm Tumors Treated with Endoscopic Resection or Local Surgical Excision
| Variables | Total (n = 148) |
Endoscopic Resection (n = 105) |
Local Surgery (n = 43) |
P | SMD |
|---|---|---|---|---|---|
| Sex, n (%) | 0.440 | 0.140 | |||
| Male | 65 (43.92) | 44 (41.90) | 21 (48.84) | ||
| Female | 83 (56.08) | 61 (58.10) | 22 (51.16) | ||
| Age, n (%) | 0.315 | 0.278 | |||
| < 45 | 40 (27.03) | 29 (27.62) | 11 (25.58) | ||
| 45–59 | 49 (33.11) | 38 (36.19) | 11 (25.58) | ||
| ≥ 60 | 59 (39.86) | 38 (36.19) | 21 (48.84) | ||
| Reason for presentation, n (%) | 0.492 | 0.125 | |||
| Incidental | 90 (60.81) | 62 (59.05) | 28 (65.12) | ||
| Symptomatic | 58 (39.19) | 43 (40.95) | 15 (34.88) | ||
| EUS evaluation, n (%) | 0.222 | 0.225 | |||
| No | 92 (62.16) | 62 (60.78) | 30 (29.41) | ||
| Yes | 56 (37.84) | 43 (71.67) | 13 (21.67) | ||
| Grade, n (%) | 0.233 | 0.205 | |||
| G1 | 134 (90.54) | 97 (92.38) | 37 (86.05) | ||
| G2 | 14 (9.46) | 8 (7.62) | 6 (13.95) | ||
| G3 | 0 (0.00) | 0 (0.00) | 0 (0.00) | ||
| PNI/LVI, n (%) | 0.331 | 0.173 | |||
| Negative | 136 (91.89) | 98 (93.33) | 38 (88.37) | ||
| Positive | 22 (8.11) | 7 (6.67) | 5 (11.63) | ||
| T stage, n (%) | 0.147 | 0.248 | |||
| T1 | 143 (96.62) | 103 (98.10) | 40 (93.02) | ||
| T2 | 5 (3.38) | 2 (1.90) | 3 (6.98) | ||
| T3 + T4 | 0 (0.00) | 0 (0.00) | 0 (0.00) | ||
| N stage, n (%) | 0.498 | 0.108 | |||
| N0 | 146 (98.65) | 104 (99.05) | 42 (97.67) | ||
| N1 | 2 (1.35) | 1 (0.95) | 1 (2.33) | ||
| M stage, n (%) | 0.291 | 0.218 | |||
| M0 | 147 (99.32) | 105 (100.00) | 42 (97.67) | ||
| M1 | 1 (0.68) | 0 (0.00) | 1 (2.33) |
EUS Endoscopic Ultrasonography, PNI/LVI perineural or lymphovascular invasion, SMD standardized mean difference